Shelf arthroplasty is briefly reviewed in historical perspective and the results in 45 hips (39 patients) which had undergone this procedure at the Royal Children's Hospital are presented. The majority of these patients were adolescents who had previously been treated for congenital dislocation or subluxation of the hip. The indications for operation and the operative technique are discussed. Clinical examination was carried out upon 33 of the 39 patients at an average of 11 years after operation. The results suggested that where pain had been an indication for operation almost 80 percent of the hips remained relatively free of symptoms at the time of follow-up and in those patients where acetabular dysplasia had been an indication, the coverage remained good and pain had not appeared. It is concluded that the shelf operation is useful for dealing with both pain and dysplasia in the adolescent.

Microlaparoscopes have been evaluated for minimally invasive laparoscopy using minimal anaesthesia or analgesia since our preliminary report on microlaparoscopy in 1993. This international multicentre report of safety and efficacy of diagnostic and operative microlaparoscopy was completed to evaluate the role of microlaparoscopy in a wide spectrum of gynaecological indications, diagnoses of pelvic and tubal disease, tubal occlusion and assisted reproduction. A total of 408 patients from seven centres around the world were included in this report. Of the 164 patients who underwent microlaparoscopy under local analgesia only three patients (1.8%) converted to i.v. sedation because of pain intolerance. All 71 patients who underwent microlaparoscopy under i.v. sedation as planned tolerated the procedure with acceptable pain level perception. Only one abdominal wall minor bleeding and one uterine wall minor bleeding were recorded in the remaining 173 patients who underwent microlaparoscopy under general anaesthesia. Visualization of the pelvic organs was sufficient in all 408 cases for diagnosis and treatment of selected pelvic pathology. We concluded, based on this sizeable microlaparoscopy series, that this outpatient procedure can replace large diameter laparoscopy for diagnosis and treatment of various pelvic conditions. Microlaparoscopy can safely replace large diameter laparoscopy in motivated patients who require minor operative procedures such as tubal occlusion, minor adhesiolysis, tubal gamete or embryo transfers and fulguration of endometriotic implants. This series demonstrated that operative microlaparoscopy can be carried out under general anaesthesia, reducing to nil the potential damage of a large diameter tracer. Future improvements in i.v. sedation in combination with i.p. local anaesthesia will potentially eliminate the need for general anaesthesia in some of the patients undergoing minor operative microlaparoscopy.

This report describes the combined use of ovarioscopy and laparoscopy to evaluate and remove a large adnexal mass.

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